<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio color="#C00000" :checked="isFullCheck" /><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amount-box">
			合计:<text class="amout">￥{{checkedGoodsAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">
			结算({{checkedCount}})
		</view>
	</view>
</template>

<script>
	import {
		mapGetters,
		mapMutations,
		mapState
	} from 'vuex'
	export default {
		name: "my-settle",
		data() {
			return {
				// 倒计时秒数
				seconds: 3,
				//  定时器id
				timer: null
			};
		},
		computed: {
			...mapGetters('m_cart', ['checkedCount', 'isFullCheck', 'checkedGoodsAmount']),
			...mapGetters('m_user', ['addstr']),
			...mapState('m_user', ['token']),
			...mapState('m_cart',['cart'])
		},
		methods: {
			...mapMutations('m_cart', ['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			// 更新所有商品状态
			changeAllState() {
				this.updateAllGoodsState(!this.isFullCheck)
			},
			// 用户点击了结算按钮
			settlement() {
				if (!this.checkedCount) {
					return uni.$showMsg('请选择要结算的商品')
				}
				if (!this.addstr) {
					return uni.$showMsg('请选择收货地址')
				}
				if (!this.token) {
					return this.delayNavigate()
				}
				// 实现微信支付
				this.payOrder()

			},
		 async	payOrder(){
				// 1 创建订单
				// 1.1 组织订单的信息对象
				const orderInfo={
					// 开发阶段不建议这样使用
					//  order_price: this.checkedGoodsAmount,
					 order_price: 0.01,
					 consignee_addr: this.addstr,
					goods: this.cart.filter(x => x.goods_state).map(x => ({ 
						goods_id:x.goods_id,
						goods_number: x.goods_count,
						goods_price: x.goods_price }))
				}
				// 1.2 发起请求创建订单
			 const {data:res } = await	uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
			 if(res.meta.status!==200){
				 return uni.$showMsg('创建订单失败')
				 
			 }
			 	// 1.3 得到服务器响应的“订单编号”
			 const  orderNumber=res.message.order_number
			 
			 // 2订单预支付
			 
			 // 2.1发起请求获取订单的支付信息
			  const {data:res2}	= await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{
				order_number:orderNumber
			  })
			  // 2.2 预支付订单生成失败
			  if(res2.meta.status!==200){
				  return un.$showMsg('预付订单生成失败！')
			  }
			  // / 2.3 得到订单支付相关的必要参数
			  const payInfo = res2.message.pay
			  // console.log(payInfo);
			  
			   // 3. 发起微信支付
			  // // 3.1 调用 uni.requestPayment() 发起微信支付
			     const {err,succ} = await uni.requestPayment(payInfo)
			   // 3.2 未完成支付
			  if(err){
				  return uni.$showMsg('订单未支付')
			  }
			   // 3.3 完成了支付，进一步查询支付的结果
			   const {data:res3} = await uni.$http.post('/api/public/v1/my/orders/chkOrder',{
				  order_number:orderNumber
			  })
			  console.log(res3);
			  // 3.4 检测到订单未支付
			  if(res3.meta.status!==200){
				  return uni.$showMsg('订单未支付')
			  }
				// 3.5 检测到订单支付完成
				uni.showToast({
					title:'订单支付完成',
					icon:'success'
				})
			  
				
			
			},
			// 展示倒计时的提示消息
			showTips(n) {
				uni.showToast({
					icon: 'none',
					title: `请登录后再结算!${n}秒之后自动跳转到登录页`,
					mask: true,
					duration: 1500
				})
			},
			// 延时导航到my页面
			delayNavigate() {
				// 把 data 中的秒数重置成 3 秒
				this.seconds = 3
				this.showTips(this.seconds)
				this.timer = setInterval(() => {
					this.seconds--
					if (this.seconds <=0) {
						clearInterval(this.timer)
						uni.switchTab({
							url: '/pages/my/my',
							success:()=>{
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						})
						// 2.3 终止后续代码的运行（当秒数为 0 时，不再展示 toast 提示消息）
						return
					}
					this.showTips(this.seconds)
				}, 1000)

			}
		}
	}
</script>

<style lang="scss">
	.my-settle-container {
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
		height: 50px;
		background-color: white;
		display: flex;

		justify-content: space-between;
		align-items: center;
		font-size: 14px;
		padding-left: 5px;

		.radio {
			display: flex;
			align-items: center;
		}

		.amount-box {
			.amout {
				color: #C00000;
				font-weight: bold;
			}

		}

		.btn-settle {
			background-color: #C00000;
			height: 50px;
			color: white;
			line-height: 50px;
			padding: 0 10px;
			min-width: 100px;
			text-align: center;
		}

	}
</style>